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12 pin (2 rows) Chinese cell phone proprietary connector layout
12 pin (2 rows) Chinese cell phone proprietary connector
Lenovo 688 "Hello Kitty"




Connector is like centronics with plate inbetween on phone side

Device 1
Pin Number
Device 1
Pin Name


charge +5.5V +/-0.3V
2 earphone GND
7 ear-mic GND
8 ear-mic
9 earphone
10 no pin at earphone
11 charge GND




Dual-SIM (is MTK-platform with MT6223 CPU) - (possible that may be identical to Haixing 688 - please double-check who knows it!) - Charger: only pins 1 & 11 wired / Mic-/Earphone: only pins 2 & 7 & 8 & 9 wired & pin 10 no pin on cable-connector

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Source(s) of this and additional information: none - measured myself
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